Abrahamson & Silva (1997)

Reference: 

Abrahamson, N. A., and W. J. Silva (1997), Empirical Response Spectral Attenuation Relations for Shallow Crustal Earthquakes, Seismological Research Letters, 68(1), 94-127.

Supported Intensity Measure Types (IMTs): 
SA damping (5%) at the following periods:
  • 0.0
  • 0.01
  • 0.02
  • 0.03
  • 0.04
  • 0.05
  • 0.06
  • 0.075
  • 0.09
  • 0.1
  • 0.12
  • 0.15
  • 0.17
  • 0.2
  • 0.24
  • 0.3
  • 0.36
  • 0.4
  • 0.46
  • 0.5
  • 0.6
  • 0.75
  • 0.85
  • 1.0
  • 1.5
  • 2.0
  • 3.0
  • 4.0
  • 5.0
Required Parameters: 
Earthquake Rupture
Site
  • Type: [Rock/Shallow-Soil, Deep Soil]
Propagation-Effect
Other
Parameter values are numeric unless otherwise indicated with options. If only one option is presented, the value is fixed for this attenuation relationship.